Manufacturer: Pratt & Whitney Co.
Publication Type: Milling Machines
Title: Pratt & Whitney Type BL Keller Tracer Controlled Milling Machine
Publication Date: 1947
Submitted By: Joel Havens
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Publication Type: Milling Machines
Title: Pratt & Whitney Type BL Keller Tracer Controlled Milling Machine
Publication Date: 1947
Submitted By: Joel Havens
